.main {
    padding: 0 20px;

    // 最新课程
    .newcourse {
        h3 {
            line-height: 2.5em;
        }

        a {
            display: block;
            background: #fff;
            border-radius: 15px;
            box-shadow: 0 0 10px 0 #aaa;
            overflow: hidden;

            img {
                width: 100%;
            }

            h4 {
                color: #444;
                margin: 0 15px;
                line-height: 2em;
                font-size: 16px;
            }

            p {
                color: #888;
                margin: 0 15px 15px;
            }
        }
    }

    //课程列表
    .course-list {
        h3 {
            line-height: 2.5em;
        }

        li {
            position: relative;
            border-radius: 15px;
            box-shadow: 0 0 10px 0 #aaa;
            overflow: hidden;
            margin-bottom: 15px;

            h4 {
                position: absolute;
                left: 20px;
                bottom: 40px;
                color: #fff;
            }

            p {
                position: absolute;
                left: 20px;
                bottom: 20px;
                color: #fff;
            }
        }

        img {
            width: 100%;
            height: 120px;
        }
    }
}